About the Authors

Liang Liu, Shi-Jie Chen
Department of Physics and Department of Biochemistry, University of Missouri, Columbia, Missouri, United States of America

Corresponding Author


Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LL SJC. Performed the experiments: LL. Analyzed the data: LL SJC. Wrote the paper: LL SCJ.